# Grate the rid of the orange before preparing the cake, peel the thick white inner skin and mash to get a puree.
# Rest the grated orange rid and puree with 1 tablespoonful granulated sugar for 30 minutes.
# Whisk the egg and 1 cup sugar until it reaches the consistency of cream.
# Add vegetable oil, yogurt, flour, baking powder, and mix until it smoothens.
# Finally add the rested orange rid and puree.
# Place the paper muffin cups on the tray. Pour the mixture into the cups, but do not fill.
# Cook in 347 F oven for 40 minutes.
# Rest for a while and serve.

Note: If you donât have paper muffin cups, you can pour the mixture into a greased mould also.